CCNA SEM 3 PART 2

Question 1

In an asymmetric algorithm, If a private key is used to encrypt the data, a public key must be used to decrypt the data.

Accepted Answer

True

Question 2

What are two purposes of launching a reconnaissance attack on a network? (Choose two.)

Accepted Answer

Scan for accessibility, gather information

Question 3

Reboot, all routers have to re-establish OSPF adjacencies, which routers will become the new DR and BDR?

Accepted Answer

Router R3 will become the DR and router R1 will become the BDR.

Question 4

As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?

Accepted Answer

Traffic policing

Question 5

Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN?

Accepted Answer

IPSec

Question 6

Which step is described by a router building a link-state database based on received LSAs?

Accepted Answer

building the topology table

Question 7

Which two conclusions can be drawn from this new configuration?​ (Choose two.)

Accepted Answer

Ping, SSH permitted

Question 8

When QoS is implemented in a converged network, which two factors can be controlled to improve network performance?

Accepted Answer

Delay, jitter

Question 9

Access list 100. Where should the administrator place this ACL for the most efficient use of network resources?

Accepted Answer

inbound on router A Fa0/0

Question 10

What are two benefits of using SNMP traps? (Choose two.)

Accepted Answer

Eliminate periodic polling, reduce load

Question 11

Refer to the exhibit. Which data format is used to represent the data for network automation applications?

Accepted Answer

JSON

Question 12

Which sequence of commands should be used to configure router A for OSPF?

Accepted Answer

network 192.168.10.64 0.0.0.63 area 0

Question 13

The help-desk technician asks the user to enter the IP address of the web server to see if the page can be displayed.

Accepted Answer

Divide-and-conquer

Question 14

What protocol synchronizes with a private master clock or with a publicly available server on the internet?

Accepted Answer

NTP

Question 15

Unable to access internet. Based on this output, what is most likely the cause of the problem?

Accepted Answer

The inside global address is not on the same subnet as the ISP

Question 16

Which type of server would be used to keep a historical record of messages from monitored network devices?

Accepted Answer

Syslog

Question 17

zombie network. Which type of malware is used to control these computers?

Accepted Answer

Botnet

Question 18

Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.)

Accepted Answer

Interface identifier, connection type

Question 19

In which step of gathering symptoms does engineer determine if the problem is at the core, distribution, or access layer

Accepted Answer

Narrow the scope

Question 20

A PC at address 10.1.1.45 is unable to access the Internet. What is the most likely cause of the problem?

Accepted Answer

The NAT pool has been exhausted.

Question 21

In JSON, what is held within square brackets [ ]?

Accepted Answer

An array

Question 22

Purpose of the command marked with an arrow shown in the partial configuration output of a Cisco broadband router?

Accepted Answer

defines which addresses can be translated

Question 23

What protocol sends periodic advertisements between connected Cisco devices in order to learn device name, version?

Accepted Answer

CDP

Question 24

Which type of resources are required for a Type 1 hypervisor?

Accepted Answer

Management console

Question 25

One of the networks that must be advertised is 192.168.0.0 255.255.254.0. What wildcard mask?

Accepted Answer

0.0.1.255

Question 26

How does virtualization help with disaster recovery within a data center?

Accepted Answer

support of live migration

Question 27

Restrict users from web access. What is the best ACL type and placement to use in this situation?

Accepted Answer

extended ACLs inbound on R1 G0/0 and G0/1

Question 28

Which is the most cost effective method of providing a proper and secure connection between the two corporate networks?

Accepted Answer

Site-to-site VPN

Question 29

deny IP traffic from the subnet 172.23.16.0/20. Which ACE will meet this requirement?

Accepted Answer

5 deny 172.23.16.0 0.0.15.255

Question 30

Which troubleshooting approach is more appropriate for a seasoned network administrator?

Accepted Answer

a less-structured approach based on an educated guess

Question 31

Which type of OSPFv2 packet is used to forward OSPF link change information?

Accepted Answer

Link-state update

Question 32

A router has two interfaces and is routing both IPv4 and IPv6 traffic, how many ACLs could be created and applied to it?

Accepted Answer

8

Question 33

In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.)

Accepted Answer

Connect remote networks, provide data traffic security

Question 34

Refer to the exhibit. From which location did this router load the IOS?

Accepted Answer

Flash memory

Question 35

Which OSPF network command would advertise only the 10.1.0.0 network to neighbors?

Accepted Answer

router(config-router)# network 10.1.0.0 0.0.255.255 area 0

Question 36

What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)

Accepted Answer

Reduced costs, increased flexibility

Question 37

In which OSPF state is the DR/BDR election conducted?

Accepted Answer

Two-Way

Question 38

Which devices exist in the failure domain when switch S3 loses power?

Accepted Answer

PC_3 and AP_2

Question 39

Which statement accurately describes a characteristic of IPsec?

Accepted Answer

IPsec is a framework of open standards that relies on existing algorithms

Question 40

Which statement describes a characteristic of Cisco Catalyst 2960 switches?

Accepted Answer

New Cisco Catalyst 2960-C switches support PoE pass-through.

Question 41

Which type of VPN allows multicast and broadcast traffic over a secure site-to-site VPN?

Accepted Answer

GRE over IPSec

Question 42

Which component of the ACI architecture translates application policies into network programming?

Accepted Answer

the Application Policy Infrastructure Controller

Question 43

Which statement describes a VPN?

Accepted Answer

VPNs use virtual connections to create a private network thru public

Question 44

Why is QoS an important issue in a converged network that combines voice, video, and data communications?

Accepted Answer

Voice and video communications are more sensitive to latency.

Question 45

Reboot, all routers have to re-establish OSPF adjacencies, which routers will become the new DR and BDR?

Accepted Answer

Router R1 will become the DR and router R3 will become the BDR.

Question 46

What QoS step must occur before packets can be marked?

Accepted Answer

Classifying

Question 47

What is the main function of a hypervisor?

Accepted Answer

It is used to create and manage multiple VM instances on a host machine.

Question 48

Where should initial marking occur to establish the trust boundary?

Accepted Answer

Trust boundary 1

Question 49

How does virtualization help with disaster recovery within a data center? (Case 2)

Accepted Answer

Hardware at the recovery site does not have to be identical to production

Question 50

What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence?

Accepted Answer

Full

CCNA SEM 3 PART 2

Questions 50

CCNA SEM 3 PART 2

Questions 50